<?php
/**
 * Copyright (c) 2009, Jacek Karczmarczyk
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of the author nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * PHP Version 5
 *
 * @package Larchana_View
 * @version 0.1
 * @author Jacek Karczmarczyk <jacek@karczmarczyk.pl>
 */

/**
 * View helper - creates the form from questions
 */
class Larchana_View_Helper_QuestionsForm extends Zend_View_Helper_Abstract
{
	/**
	 * Creates Zend_Form questionnaire based on questions
	 *
	 * @param array options Options (sendLabel, prefix)
	 * @return Zend_Form Form for questionnaire
	 */
	public function questionsForm(Larchana_Questionnaire_Storage_Interface $storage, array $options = null)
	{
		if (!is_array($options)) $options = array();
		$sendLabel = isset($options['sendLabel']) ? $options['sendLabel'] : 'Send';
		$prefix = isset($options['prefix']) ? $options['prefix'] : 'question';

		$form = new Zend_Form();
		$form->setView($this->view);
		$form->addPrefixPath('Larchana_Form_Element', 'Larchana/Form/Element/', 'element');
		$form->addElementPrefixPath('Larchana_Form_Decorator', 'Larchana/Form/Decorator/', 'decorator');
		$form->setMethod('post');
		$form->setAction($this->view->url());
		foreach($this->_storage->getQuestions() as $id=>$question)
		{
			$element = $question->createElement($form, $prefix.$id);
			$form->addElement($element);
		}

		$form->addElement('submit', 'send', array('label'=>$sendLabel));

		return $form;
	}
}


